The netsnmp_udp_fmtaddr function (snmplib/snmpUDPDomain.c) in net-snmp 5.0.9 through 5.4.2.1, when using TCP wrappers for client authorization, does not properly parse hosts.allow rules, which allows remote attackers to bypass intended access restrictions and execute SNMP queries, related to "source/destination IP address confusion."

Threat-Mapped Scoring

Score: 1.8

Priority: P4 - Informational (Low)

• S9 – Sabotage of System/App

EPSS

Score: 0.00627
Percentile: 0.69285

CVSS Scoring

Mapped CWE(s)

• CWE-863 : Incorrect Authorization

Affected Products

• cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:10.3-11.1:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise:9-11:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:*

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